lazyLoadInit({
    coverColor: "white",
    coverDiv: "",
    offsetBottom: 0,
    offsetTopm: 0,
    showTime: 300,
    onLoadBackEnd: function (i, e) {
        console.log("onLoadBackEnd:" + i);
    }
    , onLoadBackStart: function (i, e) {
        console.log("onLoadBackStart:" + i);
    }
});